GB539763A - Improvements in two-way transmission systems - Google Patents

Improvements in two-way transmission systems

Info

Publication number
GB539763A
GB539763A GB12371/40A GB1237140A GB539763A GB 539763 A GB539763 A GB 539763A GB 12371/40 A GB12371/40 A GB 12371/40A GB 1237140 A GB1237140 A GB 1237140A GB 539763 A GB539763 A GB 539763A
Authority
GB
United Kingdom
Prior art keywords
grid
network
valve
line
voltages
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB12371/40A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Publication of GB539763A publication Critical patent/GB539763A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB12371/40A 1939-08-14 1940-07-31 Improvements in two-way transmission systems Expired GB539763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US290087A US2282403A (en) 1939-08-14 1939-08-14 Transmission system

Publications (1)

Publication Number Publication Date
GB539763A true GB539763A (en) 1941-09-23

Family

ID=23114478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12371/40A Expired GB539763A (en) 1939-08-14 1940-07-31 Improvements in two-way transmission systems

Country Status (4)

Country Link
US (1) US2282403A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE464851A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR930593A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB539763A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468552A (en) * 1944-04-28 1949-04-26 Automatic Elect Lab Voice operated control circuit for two-way signal transmission systems
US2572221A (en) * 1949-09-30 1951-10-23 Robert H Voigt Portable public address system
US2696529A (en) * 1950-09-02 1954-12-07 Bell Telephone Labor Inc Voice-operated switching system
US3060265A (en) * 1960-01-26 1962-10-23 Itt Conference call circuit
US3387096A (en) * 1964-12-23 1968-06-04 Automatic Elect Lab Operator's transmission coupling circuit
CN110889466B (zh) * 2019-12-14 2020-12-25 贵州电网有限责任公司 一种基于线损分类器的台区线损分析方法

Also Published As

Publication number Publication date
US2282403A (en) 1942-05-12
BE464851A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR930593A (fr) 1948-01-29

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